Konica Minolta KIP Color 80 - Manual (Page 131)

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3. 3.15 Waste Toner Box is not set (Code: U-0150)
U-0150 is indicated when the Waste Toner Box is not
set correctly.
Set the Waste Toner Box correctly to clear the error.
Waste Toner Box
3. 3.16 Folder Cover open (Code: U-01A1)
U-011A1 is indicated when the cover of the Folder is opened or not locked completely.
Close the cover firmly to clear the error.